Abrar Ullah

According to our database, Abrar Ullah authored at least 15 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Knowledge Graph Enhanced Contextualized Attention-Based Network for Responsible User-Specific Recommendation.

Ehsan Elahi, Sajid Anwar, Babar Shah, Zahid Halim, Abrar Ullah, Imad Rida, Muhammad Waqas

ACM Trans. Intell. Syst. Technol., August, 2024

2023

Stick: An End-to-End Encryption Protocol Tailored for Social Network Platforms.

Omar Basem, Abrar Ullah, Hani Ragab Hassen

IEEE Trans. Dependable Secur. Comput., 2023

2022

The Capabilities, Challenges, and Resilience of Digital Learning as a Tool for Education During the COVID-19.

Muhammad Yasir, Abrar Ullah, Muhammad Siddique, Zeeshan Hamid, Nohman Khan

Int. J. Interact. Mob. Technol., July, 2022

Impact of data smoothing on semantic segmentation.

Nuhman ul Haq, Zia ur Rehman, Ahmad Khan, Ahmad Din, Sajid Shah, Abrar Ullah, Fawad Qayum

Neural Comput. Appl., 2022

A deep learning system for health care IoT and smartphone malware detection.

Muhammad Amin, Duri Shehwar, Abrar Ullah, Teresa Guarda, Tamleek Ali Tanveer, Sajid Anwar

Neural Comput. Appl., 2022

2021

Scientific Mapping of Industry 4.0 Research: A Bibliometric Analysis.

Huma Sikandar, Yamunah Vaicondam, Nohman Khan, Muhammad Imran Qureshi, Abrar Ullah

Int. J. Interact. Mob. Technol., September, 2021

Optimal Clustering in Wireless Sensor Networks for the Internet of Things Based on Memetic Algorithm: memeWSN.

Masood Ahmad, Babar Shah, Abrar Ullah, Fernando Moreira, Omar Alfandi, Gohar Ali, Abdul Hameed

Wirel. Commun. Mob. Comput., 2021

2019

A Dynamic Profile Questions Approach to Mitigate Impersonation in Online Examinations.

Abrar Ullah, Hannan Xiao, Trevor Barker

J. Grid Comput., 2019

A study into the usability and security implications of text and image based challenge questions in the context of online examination.

Abrar Ullah, Hannan Xiao, Trevor Barker

Educ. Inf. Technol., 2019

2018

A Multi-factor Authentication Method for Security of Online Examinations.

Abrar Ullah, Hannan Xiao, Trevor Barker

Proceedings of the Smart Grid and Internet of Things - Second EAI International Conference, 2018

2015

Usability of Activity-Based and Image-Based Challenge Questions in Online Student Authentication.

Abrar Ullah, Hannan Xiao, Trevor Barker

Proceedings of the Human Aspects of Information Security, Privacy, and Trust, 2015

2014

Evaluating security and usability of profile based challenge questions authentication in online examinations.

Abrar Ullah, Hannan Xiao, Trevor Barker, Mariana Lilley

J. Internet Serv. Appl., 2014

Graphical and text based challenge questions for secure and usable authentication in online examinations.

Abrar Ullah, Hannan Xiao, Trevor Barker, Mariana Lilley

Proceedings of the 9th International Conference for Internet Technology and Secured Transactions, 2014

Privacy and usability of image and text based challenge questions authentication in online examination.

Abrar Ullah, Hannan Xiao, Mariana Lilley, Trevor Barker

Proceedings of the 2014 International Conference on Education Technologies and Computers, 2014

2012

Usability of profile based student authentication and traffic light system in online examinations.

Abrar Ullah, Hannan Xiao, Mariana Lilley, Trevor Barker

Proceedings of the 7th International Conference for Internet Technology and Secured Transactions, 2012